<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        h1{
            color: red;
        }
    </style>

    <link rel="stylesheet" href="css/style.css">

</head>
<body>


<h1>我是标题</h1>


</body>
</html>